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#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
/**************************************************************
* Here are included the definitions of the class and functions
* Do not modify this part
*************************************************************/
class Point
{
public:
Point(double xparam, double yparam);
Point();
double getX();
double getY();
void setX(double xparam);
void setY(double yparam);
void display();
private:
double x;
double y;
};
struct Triangle
{
Point p1;
Point p2;
Point p3;
};
double distancepoints(Point& p1, Point& p2);
int closest(Point& start, vector<Point>& village);
Triangle three_closest(Point& start, vector<Point>& village);
void displayTriangle(Triangle T);
Point suggest(Triangle T);
/*******************************************
* End of definitions here
*******************************************/
// ----------------------------------------------------------------------
int main()
{
/****************************************************************************
* Part 1 Creating 5 points representing 5 houses in the village
and adding them to village vector
This code will work once you implement the member functions of the Point Class
and the distance function
***************************************************************************/
Point p1(1, 5), p2(1.25, 0.5), p3(3, 2), p4(5, 6.25), p5(5.5, 1.5), location(4, 3);
vector<Point> village;
village.push_back(p1);
village.push_back(p2);
village.push_back(p3);
village.push_back(p4);
village.push_back(p5);
cout << "For the starting location ";
location.display();
cout << " in the village : ";
for (unsigned int i = 0; i < village.size(); i++)
{
village[i].display();
}
cout << "\n the distances from the houses are :" << endl;
for (unsigned int i = 0; i < village.size(); i++)
{
cout << " ";
village[i].display();
cout << " --> " << distancepoints(village[i], location) << endl;
}
/*******************************************
* End of Part1
*******************************************/
/*************************************************************
* Part2
This code will work once you implement the closest function
**************************************************************/
cout << "\n the closest point is ";
Point unluckiest = village[closest(location, village)];
unluckiest.display();
/*******************************************
* End of Part2
*******************************************/
/*************************************************************
* Part3 and 4
This code will work once you implement the three_closest function
and the suggest function
**************************************************************/
cout << "," << endl << " The three closes points are ";
Triangle unlucky = three_closest(location, village);
displayTriangle(unlucky);
cout << "\n and the new suggested location for the landfill ";
Point landfill = suggest(unlucky);
landfill.display();
cout << "." << endl;
/*******************************************
* End of Parts 3 and 4
*******************************************/
return 0;
}
/*****************************************************
* Your Code here
Implement the member functions of the class Point
Point(double xparam, double yparam);
Point();
double getX();
double getY();
void setX(double xparam);
void setY(double yparam);
the function display() is already implemented
*****************************************************/
Point::Point(double xparam, double yparam)
{
x = xparam;
y = yparam;
}
Point::Point()
{
x = 0;
y = 0;
}
double Point::getX()
{
return x;
}
double Point::getY()
{
return y;
}
void Point::setX(double xparam)
{
xparam = x;
}
void Point::setY(double yparam)
{
yparam = y;
}
void Point::display()
{
cout << " (" << x << ", " << y << ") ";
}
/*****************************************************
* Your Code here
Implement the following functions
double distancepoints(Point& p1, Point& p2);
int closest(Point& start, vector<Point>& village);
Point suggest(Triangle T )
the functions displayTriangle(),
three_closest(Point& start, vector<Point>& village)
are already implemented
*****************************************************/
double distancepoints(Point& p1, Point& p2)
{
double d1 = p1.getX();
double d2 = p2.getX();
double d3 = p1.getY();
double d4 = p2.getY();
return sqrt(pow((d1-d2), 2) + pow((d3-d4), 2));
}
int closest(Point& start, vector<Point>& village)
{
int flag;
for (unsigned int i = 0; i < village.size(); i++)
{
vector<double>calculate;
calculate.push_back(i);
for (unsigned int j = 0; j < village.size(); i++)
{
distancepoints(start, village[j]);
}
if (calculate[i] < calculate[i + 1])
flag = calculate[i];
else if (calculate[i] > calculate[i + 1])
flag = calculate[i + 1];
}
return flag;
}
Triangle three_closest(Point& start, vector<Point>& village)
{
int p;
Triangle T;
p = closest(start, village);
T.p1 = village[p];
village.erase(village.begin() + p);
p = closest(start, village);
T.p2 = village[p];
village.erase(village.begin() + p);
p = closest(start, village);
T.p3 = village[p];
return T;
}
void displayTriangle(Triangle T)
{
T.p1.display();
T.p2.display();
T.p3.display();
}
/*******************************************
* End of your code here
*******************************************/
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